{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machanical property", "biomedical", "process parameter", "process characterization", "concept or principle", "manufacturing standard"], "input": "In this study , Zr65.7Cu15.6Ni11.7Al3.7Ti3.3 ( wt % ) MG structures were built on 304 stainless steel ( SS ) substrates by laser-foil-printing ( LFP ) additive manufacturing technology in which MG foils were laser welded layer-by-layer onto the SS substrate with a transition route , i.e. , SS → V → Ti → Zr → MG ."}
{"machanical property": [], "biomedical": [], "process parameter": [], "process characterization": [], "concept or principle": ["layer-by-layer", "transition"], "manufacturing standard": []}